Impact of carbon dioxide, trace gases, and climate change on global agriculture : proceedings of a symposium / Kimball, Bruce A. American Society of Agronomy. Crop Science Society of America. Soil Science Society of America. Climatic changes Meteorology, Agricultural Atmospheric carbon dioxide Greenhouse gases 630 s 632 AME 1990 "The symposium was held in Anaheim, CA, 1 December 1988." Madison, WI, USA : American Society of Agronomy : Crop Science Society of America : Soil Science Society of America, 1990. 1990. Text xvii, 133 p. :